This Recommendation includes 2 diskettes. The first one contains A-Law and m-Law test vectors for DCME verification. The second one contains example transmit/receive SDLs.
Covering note, May 2000: Erratum

Digital circuit multiplication equipment using G.726 ADPCM and digital speech interpolation
This Recommendation includes two diskettes The first one contains A-Law and Mu-Law test vectors for DCME verification. The second one contains example transmit/receive SDLs